Overdose or emergency? Call now Hotlines · US 911 · UK 999 · EU 112 · AU 000 · IN 112 · 988 (US crisis) Hotlines
T
Sexual Health & ED Meds

Tadalafil (Cialis)

Street names: Cialis, Vidalista, Tadacip, Weekend pill

⚡What it does

  • PDE5 inhibitor — erection support for 24–36 h
  • Also prescribed for pulmonary hypertension and BPH

⚠Key risks

  • #1 counterfeit-drug target alongside sildenafil — fake Cialis regularly contains unlisted sildenafil or nothing
  • DANGEROUS with nitrates (nitroglycerin, poppers): severe blood-pressure collapse
  • Grey-market 'super-strength' tablets (40–80 mg) cause prolonged erections requiring ER care
  • Heart patients self-medicating without screening risk cardiac events

✚Overdose signs

  • Erection lasting >4 h (priapism — emergency)
  • Sudden vision/hearing loss
  • Chest pain, fainting

Category comparison — Sexual Health & ED Meds

SubstanceClassTop risksStreet price
Tadalafil (Cialis)Rx-only#1 counterfeit-drug target alongside sildenafil — fake Cialis regularly contains unlisted sildenafil or nothing; DANGEROUS with nitrates (nitroglycerin, poppers): severe blood-pressure collapse~$10–20/pill grey-market generic
Tadalafil (Cialis)Rx-only — not controlledCounterfeit ED pills are a major fentanyl/adulterant channel in some regions; Dangerous blood pressure drop with nitrates~$2–$15 per tablet
Sildenafil (Viagra)Rx-only — not a controlled drugTHE most counterfeited drug class in the world — fake sildenafil is a leading fentanyl-pill channel in some regions; Dangerous blood-pressure drop with nitrates (heart meds) — potentially fatal combo~$1–$15 per tablet
Vardenafil (Levitra)Rx-only — not controlledSame nitrate danger as all PDE5 inhibitors (fatal BP drop); Counterfeit Levitra extremely common~$1–$12 per tablet grey-market vs pharmacy
Dapoxetine & combo pillsRx-onlySerotonin syndrome risk — especially with real antidepressants, MDMA, or other serotonergic drugs; Syncope (fainting) — the labeled warning; take with water, standing up slowly~$1–$4 per combo tablet grey-market
Gas-Station Sex Pills ('Rhino' & Knockoffs)Sold as 'supplements' — FDA warns they are adulterated drugsFDA has issued hundreds of warnings: hidden drug doses can crash blood pressure, especially with nitrates or heart meds; Analogs are untested — some cause days-long painful erections (priapism = emergency)~$5–$15 per pill/pack
Street prices are regional estimates. Potency and cuts vary constantly.

?Frequently asked questions

What does Tadalafil (Cialis) look like?

Yellow almond-shaped tablets (brand); grey-market generics in every color; also sold as 'Cialis soft tabs' and liquids

What are the signs of a Tadalafil (Cialis) overdose?

Erection lasting >4 h (priapism — emergency); Sudden vision/hearing loss; Chest pain, fainting Call emergency services immediately.

How addictive is it?

#1 counterfeit-drug target alongside sildenafil — fake Cialis regularly contains unlisted sildenafil or nothing Dependence can develop with regular use.

🔗Sources & further reading

Facts on this page are compiled from these primary sources. External links open in a new tab.